{"id":"CVE-2026-75753","state":"PUBLISHED","title":"Missing Authentication for a Critical Function  in certain ASUS routers allows an unauthorized nearby user to send specific commands via HTTP requests, causing the router to return","description":"Missing Authentication for a Critical Function  in certain ASUS routers allows an unauthorized nearby user to send specific commands via HTTP requests, causing the router to return device identification information and switch into a specific mode. As a result, when the router encounters abnormal conditions, it may be unable to perform self-recovery.\nRefer to the '\nSecurity Update for ASUS Router Firmware' section on the ASUS Security Advisory for more information.","publishedAt":"2026-10-20T02:00:27.616Z","updatedAt":"2026-10-20T19:16:34.214Z","severity":{"score":5.3,"label":"Medium","version":"4.0","vector":"CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N","source":"ASUS"},"assigner":"ASUS","products":["ASUS Router"],"affected":[{"vendor":"ASUS","product":"Router","defaultStatus":"unaffected","versions":[{"version":"3.0.0.4.388 series","status":"affected","versionType":"custom"}]}],"references":["https://www.asus.com/security-advisory"],"weaknesses":["CWE-306"],"ingestedAt":"2026-10-29T20:12:58.252Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/75xxx/CVE-2026-75753.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-75753","state":"PUBLISHED","datePublished":"2026-10-20T02:00:27.616Z","dateUpdated":"2026-10-20T19:16:34.214Z","assignerShortName":"ASUS","assignerOrgId":"54bf65a7-a193-42d2-b1ba-8e150d3c35e1","dateReserved":"2026-08-18T01:44:19.003Z"},"containers":{"cna":{"descriptions":[{"lang":"en","value":"Missing Authentication for a Critical Function  in certain ASUS routers allows an unauthorized nearby user to send specific commands via HTTP requests, causing the router to return device identification information and switch into a specific mode. As a result, when the router encounters abnormal conditions, it may be unable to perform self-recovery.\nRefer to the '\nSecurity Update for ASUS Router Firmware' section on the ASUS Security Advisory for more information."}],"affected":[{"vendor":"ASUS","product":"Router","defaultStatus":"unaffected","versions":[{"version":"3.0.0.4.388 series","status":"affected","versionType":"custom"}]}],"references":[{"url":"https://www.asus.com/security-advisory"}],"metrics":[{"format":"CVSS","scenarios":[{"lang":"en","value":"GENERAL"}],"cvssV4_0":{"attackVector":"ADJACENT","attackComplexity":"LOW","attackRequirements":"NONE","privilegesRequired":"NONE","userInteraction":"NONE","vulnConfidentialityImpact":"LOW","subConfidentialityImpact":"NONE","vulnIntegrityImpact":"LOW","subIntegrityImpact":"NONE","vulnAvailabilityImpact":"LOW","subAvailabilityImpact":"NONE","exploitMaturity":"NOT_DEFINED","Safety":"NOT_DEFINED","Automatable":"NOT_DEFINED","Recovery":"NOT_DEFINED","valueDensity":"NOT_DEFINED","vulnerabilityResponseEffort":"NOT_DEFINED","providerUrgency":"NOT_DEFINED","version":"4.0","baseSeverity":"MEDIUM","baseScore":5.3,"vectorString":"CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N"}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-306","lang":"en","description":"CWE-306: Missing Authentication for Critical Function","type":"CWE"}]}],"providerMetadata":{"shortName":"ASUS","orgId":"54bf65a7-a193-42d2-b1ba-8e150d3c35e1","dateUpdated":"2026-10-20T02:00:27.616Z"},"cpeApplicability":[{"operator":"OR","nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:a:asus:router:3.0.0.4.388_series:*:*:*:*:*:*:*"}]}]}],"source":{"discovery":"UNKNOWN"},"x_generator":{"engine":"Vulnogram 1.0.4"}},"adp":[{"title":"CISA ADP Vulnrichment","metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2026-10-20T19:16:22.659729Z","id":"CVE-2026-75753","options":[{"Exploitation":"none"},{"Automatable":"yes"},{"Technical Impact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2026-10-20T19:16:34.214Z"}}]}}}